Leveraging smart lights for passive localization

Wang, Weizheng; Zhang, Junwei; Wang, Qing; Zuñiga Zamalloa, Marco A.Zúñiga

doi:10.1109/MASS.2018.00049

Leveraging smart lights for passive localization

Conference paper (2018)

Authors

Weizheng Wang Student

Junwei Zhang Student

Qing Wang Katholieke Universiteit Leuven

Marco A.Zúñiga Zuñiga Zamalloa Embedded Systems

Research Group

Embedded Systems

DOI: https://doi.org/10.1109/MASS.2018.00049

Photodiodes Object recognition Light emitting diodes Guidelines Mirrors Optical receivers

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Published Date

2018

Language

English

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Research Group

Embedded Systems

Abstract

Localization based on visible light is gaining significant attention. But most existing studies rely on a key requirement: the object of interest needs to carry an optical receiver (camera or photodiode). We remove this requirement and investigate the possibility of achieving accurate localization in a passive manner, that is, without requiring objects to carry any optical receiver. To achieve this goal, we exploit the reflective surfaces of objects and the unique propagation properties of LED luminaires. We present geometric models, a testbed implementation, and empirical evaluations to showcase the opportunities and challenges posed by this new type of localization. Overall, we show that our method can track with high accuracy (few centimeters) a subset of an object’s trajectory and it can also identify passively the object’s ID.

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